CN103787731A - Novel roof greening matrix and roof greening method - Google Patents
Novel roof greening matrix and roof greening method Download PDFInfo
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- CN103787731A CN103787731A CN201310669885.XA CN201310669885A CN103787731A CN 103787731 A CN103787731 A CN 103787731A CN 201310669885 A CN201310669885 A CN 201310669885A CN 103787731 A CN103787731 A CN 103787731A
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Abstract
The invention relates to a novel roof greening matrix and a roof greening method. The greening matrix comprises a core matrix and an auxiliary matrix, wherein the core matrix comprises a sludge compost product, garden waste fibers and a water retaining agent according to the weight ratio of (35-43):(55-65):(1-1.2); the auxiliary matrix comprises vermiculite and perlite; a ratio of the total weight of the core matrix to the weight of the vermiculite to the weight of the perlite is (68-82):(3-7):(15-25). The matrix provided by the invention can meet a roof greening soil utilization requirement, and sludge of a sewage treatment plant and garden waste can be effectively eliminated, and the aim of resource circulation is fulfilled; meanwhile, the greening matrix is light in material weight; raw materials are readily available; the cost is low; the fertilizer and water retaining effect is good; finally, the matrix is changed from a conventional state into a granular state, so that the problem of matrix loss can be effectively solved, and a slow release effect can be achieved; the growth of plant roots is facilitated; the specific construction and operation are facilitated; the novel roof greening matrix is suitable for the general popularization in the whole nation.
Description
Technical field
The present invention relates to a kind of roof greening technology, particularly relate to a kind of New Roof afforesting matrix and roof greening method.
Background technology
One of trend of modern architecture development is the coordination of requirement building and physical environment, and more green space is introduced to space.Under this background, roof greening is just paid attention to further.
The efficacy performance of roof greening technology, in many aspects, roughly can be summarized as the following aspects: (1) alleviating urban heat island effect, regulates urban climate; (2) roof plants can sulfur dioxide absorption, the toxic gas such as oxynitride, be detained dust, purifying city air; (3) alleviate city " effect of dry island "; City " effect of dry island " refers to that Relative Humidity for Cities is less than suburb; Roof greening is kept at precipitation in matrix or is absorbed by plants, and the evaporation of transpiration and soil matrix by plant increases the moisture in urban air; (4) reduce noise.Roof garden can reduce the noise of 3 decibels, the noise of isolated approximately 8 decibels; (5) increase urban green space area, improve urban ecological system; (6) roof greening can dam 70% of natural precipitation, thereby reduces sewerage system pressure; (7) build graceful life, Working environment, mediator's psychology and improve people's the mental status, meets Highrise buildings user and pursues natural psychological needs; (8) roof greening provides a new place for doings; (9) reduce the difference variation that summer high temperature and winter severe cold bring, effectively slow down the aging of material of construction, extend and build work-ing life; (10) save energy.There is the building of roof garden lower 24 ℃ than the architecture indoor temperature in hypethral garden in summer, can save air-conditioning power consumption 20～40%; And in the winter time, have the building of roof garden higher 2.4 ℃ than the architecture indoor temperature-averaging in hypethral garden; (11) roof greening can be the building increment at its place.
Two key factors of roof greening construction are load and draining, and the two is all relevant with the matrix of roof greening.Roof greening is to carry out on roof, consider the weight bearing power on roof, and soil layer can not be thick, does not generally adopt natural loam and with light-duty synthetic plantation soil, is also cultivation matrix.Cultivation matrix role in roof greening is the same with other soilless cultures, is mainly support fixing plant, maintenance moisture, root system ventilation and part nutrition is provided.Matrix can not contain harmful, the toxic substance that are unfavorable for growth and development of plants, can provide the conditions such as good water, gas, fertilizer, heat, pH value for root system of plant, and giving full play to it is not the effect that soil but surpasses soil.
In recent years, what roof greening matrix mainly adopted is peat, wood chip, coconut palm chaff add general soil, then add perlite, haydite or other compositions and mix.Above-mentioned matrix loading is large, cost of material is higher, preserve moisture and fertility effect is undesirable and mostly belong to non-renewable resource, disagrees with national relevant policies, all has some problems.
Summary of the invention
The object of the invention is to propose the New Roof afforesting matrix that a kind of quality is light, raw material easily obtains, with low cost, fertilizer conservation water conservation is respond well.
For achieving the above object, the invention provides a kind of New Roof afforesting matrix, described afforesting matrix comprises core matrix and auxiliary matrix, described core matrix comprises that weight ratio is sludge composting product, garden waste fiber and the water-holding agent of 35～43:55～65:1～1.2, described auxiliary matrix comprises vermiculite and perlite, wherein, the weight ratio between described core matrix gross weight and described vermiculite and perlite is 68～82:3～7:15～25.
Preferably, in described sludge composting product, the water content of fermented sludge is below 15%.
Another object of the present invention is to provide a kind of New Roof greening method, described roof greening method comprises the steps:
A, be that 35～43:55～65:1～1.2 take sludge composting product, garden waste fiber and water-holding agent by weight, form core matrix mixture; B, polish after described core matrix mixture is stirred, granulation, the core matrix that to form size be average 1～6mm; C, by the core matrix after granulation in step B, with vermiculite and perlite be that 68～82:3～7:15～25 are mixed to form afforesting matrix according to weight ratio; Described afforesting matrix uniform spreading is sprinkling upon in roof planting district to be afforested, according to planted plant, chooses laying depth; E, by afforesting matrix rake and compacting after, plantation green plants.
Preferably, in described sludge composting product, the water content of fermented sludge is below 15%.
Based on technique scheme, advantage of the present invention is:
The new medium that the present invention proposes, the particulate material that adopts sludge composting product, water-holding agent, garden waste blending in of fibers to make, more in addition vermiculite and perlite as subsidiary material.Matrix provided by the invention can not only meet the native requirement of roof greening, and can also effectively dissolve sanitary sewage disposal factory mud and garden waste reach the object of resources circulation.Meanwhile, this afforesting matrix quality of materials is light, raw material easily obtains, with low cost, fertilizer conservation water conservation is respond well.Finally, matrix is changed into graininess by conventional state and can effectively prevent matrix loss problem, can also reach the effect of slowly-releasing, be conducive to the growth of root system of plant, be convenient to Specific construction and operation, be adapted at nationwide and generally promote.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1
A kind of New Roof afforesting matrix provided by the invention is mainly made up of two portions, comprise core matrix and auxiliary matrix, described core matrix comprises that weight ratio is sludge composting product, garden waste fiber and the water-holding agent of 35～43:55～65:1～1.2, described auxiliary matrix comprises vermiculite and perlite, wherein, the weight ratio between described core matrix gross weight and described vermiculite and perlite is 68～82:3～7:15～25.Preferably, described auxiliary matrix also comprises afforestation soil.
Comprise the garden waste fiber of the sludge composting product of 35 parts of weight cell, 65 parts of weight cell and the water-holding agent of 1.2 parts of weight cell at the afforesting matrix of the present embodiment.
Wherein: sludge composting product is the product after domestic sludge fermentation in city.Wherein, the water content of fermented sludge is below 15%, and heavy metal content is within the scope of national standard.Lightweight, play the effect that nutrient is provided for plant.
Garden waste fiber refers to that urban landscaping plant naturally upgrades the dry branches and fallen leaves and the garden landscape plant that produce and carries out the customary discarded branches and leaves that produce of pruning, as leaf, branch, tree root etc.In matrix, replace the effect of conventional soil, lightweight, good water-retaining property, has certain toughness, increases granule strength.
Water-holding agent is a kind of high molecular polymer with super-strong moisture absorbing water retention capacity that utilizes strong absorptive resin to make.Can Jiang Shui in matrix, fertilizer saves and slowly discharges, and plays the effect of preserve moisture and fertility.
Matrix provided by the invention can not only meet the native requirement of roof greening, and the garden waste of can also effectively dissolving reaches the object of resources circulation.Meanwhile, this afforesting matrix quality of materials is light, raw material easily obtains, with low cost, fertilizer conservation water conservation is respond well.
In the above embodiment of the present invention, can also account for 68～82 parts of weight cell according to core matrix gross weight and add vermiculite and the perlite of 3～7:15～25 part weight cell.
Vermiculite is a kind of mineral substance of Nantural non-toxic, dilatable mineral under high temperature action.In matrix, play the effect of heat insulating protection against the tide, can alleviate floor load simultaneously.
Perlite is a kind of acidic lava of volcanic eruption, through the cooling glassy rock forming sharply.Perlite becomes a kind of lightweight, multifunctional novel shaped material through expansion.Have that apparent density is light, thermal conductivity is low, chemical stability is good, use temperature scope is wide, and the feature such as nontoxic, tasteless, fire prevention, sound-absorbing.In roof greening matrix, adopt to play and reduce matrix weight, the effect of transformation soil.
Preferably, in sludge composting product of the present invention, the water content of fermented sludge is below 15%.
Embodiment 2
Further, the present invention also provides New Roof greening method, this roof greening method comprises the steps: A, is that 35～43:55～65:1～1.2 take sludge composting product, garden waste fiber and water-holding agent by weight, forms core matrix mixture; B, polish after described core matrix mixture is stirred, granulation, the core matrix that to form size be average 1～6mm; C, by the core matrix after granulation in step B, with vermiculite and perlite be that 68～82:3～7:15～25 are mixed to form afforesting matrix according to weight ratio; Described afforesting matrix uniform spreading is sprinkling upon in roof planting district to be afforested, according to planted plant, chooses laying depth; E, by afforesting matrix rake and compacting after, plantation green plants.Preferably, in described sludge composting product, the water content of fermented sludge is below 15%
Particularly, in a roof greening engineering of the present embodiment, take in proportion the raw material of following weight parts: 41 parts of weight cell of mud, 1 part of weight cell of water-holding agent, 58 parts of weight cell of garden waste fiber, wherein said various raw materials can be all commercial goods.After above-mentioned raw materials is stirred, polish, carry out granulation after levigate through tablets press, size is average 3mm.Again the basal granule of above-mentioned core matrix is mixed with appropriate vermiculite, perlite, concrete, 72 parts of weight cell of basal granule that each weight part is core matrix, 4 parts of weight cell of vermiculite, 24 parts of weight cell of perlite.Then the packed engineering site that is transported to, matrix uniform spreading is sprinkling upon in roof greening planting district, according to planted plant, choose laying depth (for those skilled in the art, this thickness is all world knowledges, the needed laying depth of the different plants of particularize no longer again), afforesting matrix is raked and compacting after, plantation green plants.
Advantage and the technique effect of the above embodiment of the present invention and technical scheme also comprise:
1, particulate state, anti-loss is effective, slow releasing function is obvious;
The present invention changes traditional roof greening matrix into particulate material by soil property, compared with earthy matrix, is difficult for being blown to four winds, and anti-loss effect is better.Particulate state nutraceutical matrix itself just possesses fertilizer efficiency slow-release function simultaneously, without adding other sustained release dosages, has reduced cost simultaneously also without frequent maintenance again.
2, resource circulation utilization, environment protecting is good;
Sludge composting product in the New Roof afforesting matrix that the present invention proposes and garden waste all effectively dissolved sanitary sewage disposal factory mud and garden waste, be conducive to the reasonable disposition of resource, and cycling and reutilization, reduces carrying capacity of environment, and environment protecting is good.
3, garden waste filamentary material characteristic is with the obvious advantage
Garden waste filamentary material is as tree root, leaf, branch etc., has that some strength and permeability, quality are light, effective water-absorbing-retaining and be difficult for aging.Compared with other same type of material, reduce matrix weight, reduce roof load.
4, sludge composting product application advantage is outstanding
Matrix sludge composting as roof greening, can avoid food chain, prevents its potential hazard; Can make full use of its contained nutrient and the performance of improving the soil, and be applicable to large batch of batch production production; Can replace peat soil and forest humus that price is high, and its physics and chemistry, biological character is better than peat soil, is more suitable for the matrix of roof greening.
5, material composition is less, raw material sources are extensive, and cost is lower
The matrix component that the present invention proposes is less.The raw material sources such as garden waste are wider, easily obtain, and can in this city, gather materials on the spot.The price of raw material own is low, and gather materials on the spot simultaneously and can save great number freight charges, cost less investment, scale operation is comparatively feasible.
6, quality is light, drainage effect good
This matrix is not selected the heavier materials such as turfy soil, and the garden waste fiber chosen, vermiculite, perlite etc. are light material, have reduced roof load.Meanwhile, matrix is made to the drainage effect that particulate state contributes to improve matrix, be conducive to plant establishment, growth.
7, resistance to trample, do not harden
The combination of granulate material can guarantee that matrix is difficult for hardening, and adds vermiculite, perlite can guarantee the resistance to trample of afforesting matrix, not harden simultaneously.
8, easy and simple to handle, attractive in appearance flexibly
Particulate state matrix convenient transportation, lays simply, is applicable to extensive operation and is also applicable to family's Self-operating.In operating process, can change flexibly paving mode according to practical situation, also can add some and be with coloured material etc., make laying effect more attractive in appearance.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.
Claims (4)
1. a New Roof afforesting matrix, it is characterized in that: described afforesting matrix comprises core matrix and auxiliary matrix, described core matrix comprises that weight ratio is sludge composting product, garden waste fiber and the water-holding agent of 35～43:55～65:1～1.2, described auxiliary matrix comprises vermiculite and perlite, wherein, the weight ratio between described core matrix gross weight and described vermiculite and perlite is 68～82:3～7:15～25.
2. New Roof afforesting matrix according to claim 1, is characterized in that: in described sludge composting product, the water content of fermented sludge is below 15%.
3. a New Roof greening method, is characterized in that: described roof greening method comprises the steps:
A, be that 35～43:55～65:1～1.2 take sludge composting product, garden waste fiber and water-holding agent by weight, form core matrix mixture;
B, polish after described core matrix mixture is stirred, granulation, the core matrix that to form size be average 1～6mm;
C, by the core matrix after granulation in step B, with vermiculite and perlite be that 68～82:3～7:15～25 are mixed to form afforesting matrix according to weight ratio;
D, described afforesting matrix uniform spreading is sprinkling upon in roof planting district to be afforested, according to planted plant, chooses laying depth;
E, by afforesting matrix rake and compacting after, plantation green plants.
4. New Roof greening method according to claim 3, is characterized in that: in described sludge composting product, the water content of fermented sludge is below 15%.
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| CN104140334A (en) * | 2014-08-13 | 2014-11-12 | 江苏农盛废弃物循环再利用有限公司 | Production method of vermiculite compressed nutrient soil |
| CN104291932A (en) * | 2014-09-12 | 2015-01-21 | 杭州师范大学 | Roof greening culture substrate and preparation method thereof |
| CN104909877A (en) * | 2015-05-21 | 2015-09-16 | 湖南景怡科技开发有限公司 | Lightweight substrate for roof greening and preparation method |
| CN105174862A (en) * | 2015-08-21 | 2015-12-23 | 上海市普陀区社区绿化管理所 | Cavernous garden waste concrete |
| CN105294266A (en) * | 2015-11-05 | 2016-02-03 | 江苏东珠景观股份有限公司 | Roof greening substrate and using method |
| CN105384536A (en) * | 2015-12-15 | 2016-03-09 | 广州市泓玮装饰制品有限公司 | Sedum lineare roof planting special-purpose organic fertilizer and preparation technology thereof |
| CN106508397A (en) * | 2016-11-15 | 2017-03-22 | 覃杨 | Method for open-air soil-less leek cultivation on roof |
| CN106542896A (en) * | 2016-10-25 | 2017-03-29 | 安徽科技学院 | A kind of preparation method of light-duty resistance to compression Granular sludge roof greening matrix |
| CN106550796A (en) * | 2016-10-25 | 2017-04-05 | 安徽科技学院 | A kind of preparation method of sludge organism charcoal base roof greening substrate |
| CN107155697A (en) * | 2017-04-25 | 2017-09-15 | 深圳市铁汉生态环境股份有限公司 | It is a kind of to be used for the mixed culture matrix of southern roof greening |
| CN107568025A (en) * | 2017-09-25 | 2018-01-12 | 郑州宏元生态科技有限公司 | A kind of rich foster moisture retaining groundmass and its preparation method and application |
| CN107896925A (en) * | 2017-12-05 | 2018-04-13 | 西南大学 | A kind of lightweight cultivation matrix for roof greening and preparation method thereof |
| CN108476921A (en) * | 2018-03-29 | 2018-09-04 | 安徽新源农业科技有限公司 | It is a kind of to prepare melon-fruit-like vegetable seedling medium using agricultural wastes |
| CN108541552A (en) * | 2018-03-20 | 2018-09-18 | 北京林业大学 | A kind of simple-type roof greening new medium and preparation method thereof of application greening waste |
| CN108703061A (en) * | 2018-06-25 | 2018-10-26 | 上海辰山植物园 | Method for stereo afforesting and device under a kind of overpass |
| CN109452130A (en) * | 2018-12-06 | 2019-03-12 | 佛山市新城园林绿化工程有限公司 | A kind of lawn-type greening nutritive matrix and preparation method |
| CN110326513A (en) * | 2019-06-05 | 2019-10-15 | 长江大学 | A kind of disease-resistant seedling medium production method based on sludge |
| CN113491231A (en) * | 2021-07-01 | 2021-10-12 | 深圳市博林环保工程有限公司 | Planting substrate special for urban roof three-dimensional greening and preparation method thereof |
| CN113785754A (en) * | 2021-09-07 | 2021-12-14 | 广东百林生态科技股份有限公司 | Preparation method and application of light three-dimensional greening water-retaining matrix |
| CN115362908A (en) * | 2022-07-18 | 2022-11-22 | 西南大学 | Green roof substrate for controlling rainfall flood and manufacturing method thereof |
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| CN104140334A (en) * | 2014-08-13 | 2014-11-12 | 江苏农盛废弃物循环再利用有限公司 | Production method of vermiculite compressed nutrient soil |
| CN104291932B (en) * | 2014-09-12 | 2016-11-23 | 杭州师范大学 | A kind of cultivation matrix for roof greening and preparation method thereof |
| CN104291932A (en) * | 2014-09-12 | 2015-01-21 | 杭州师范大学 | Roof greening culture substrate and preparation method thereof |
| CN104909877A (en) * | 2015-05-21 | 2015-09-16 | 湖南景怡科技开发有限公司 | Lightweight substrate for roof greening and preparation method |
| CN104909877B (en) * | 2015-05-21 | 2018-01-12 | 湖南景怡科技开发有限公司 | A kind of roof greening light ground mass and preparation method thereof |
| CN105174862A (en) * | 2015-08-21 | 2015-12-23 | 上海市普陀区社区绿化管理所 | Cavernous garden waste concrete |
| CN105174862B (en) * | 2015-08-21 | 2018-06-19 | 上海市普陀区社区绿化管理所 | A kind of cavernous body garden waste concrete |
| CN105294266A (en) * | 2015-11-05 | 2016-02-03 | 江苏东珠景观股份有限公司 | Roof greening substrate and using method |
| CN105384536A (en) * | 2015-12-15 | 2016-03-09 | 广州市泓玮装饰制品有限公司 | Sedum lineare roof planting special-purpose organic fertilizer and preparation technology thereof |
| CN106542896A (en) * | 2016-10-25 | 2017-03-29 | 安徽科技学院 | A kind of preparation method of light-duty resistance to compression Granular sludge roof greening matrix |
| CN106550796A (en) * | 2016-10-25 | 2017-04-05 | 安徽科技学院 | A kind of preparation method of sludge organism charcoal base roof greening substrate |
| CN106508397A (en) * | 2016-11-15 | 2017-03-22 | 覃杨 | Method for open-air soil-less leek cultivation on roof |
| CN107155697A (en) * | 2017-04-25 | 2017-09-15 | 深圳市铁汉生态环境股份有限公司 | It is a kind of to be used for the mixed culture matrix of southern roof greening |
| CN107568025A (en) * | 2017-09-25 | 2018-01-12 | 郑州宏元生态科技有限公司 | A kind of rich foster moisture retaining groundmass and its preparation method and application |
| CN107896925A (en) * | 2017-12-05 | 2018-04-13 | 西南大学 | A kind of lightweight cultivation matrix for roof greening and preparation method thereof |
| CN108541552A (en) * | 2018-03-20 | 2018-09-18 | 北京林业大学 | A kind of simple-type roof greening new medium and preparation method thereof of application greening waste |
| CN108476921A (en) * | 2018-03-29 | 2018-09-04 | 安徽新源农业科技有限公司 | It is a kind of to prepare melon-fruit-like vegetable seedling medium using agricultural wastes |
| CN108703061A (en) * | 2018-06-25 | 2018-10-26 | 上海辰山植物园 | Method for stereo afforesting and device under a kind of overpass |
| CN109452130A (en) * | 2018-12-06 | 2019-03-12 | 佛山市新城园林绿化工程有限公司 | A kind of lawn-type greening nutritive matrix and preparation method |
| CN110326513A (en) * | 2019-06-05 | 2019-10-15 | 长江大学 | A kind of disease-resistant seedling medium production method based on sludge |
| CN110326513B (en) * | 2019-06-05 | 2022-04-29 | 长江大学 | Disease-resistant seedling raising substrate production method based on sludge |
| CN113491231A (en) * | 2021-07-01 | 2021-10-12 | 深圳市博林环保工程有限公司 | Planting substrate special for urban roof three-dimensional greening and preparation method thereof |
| CN113785754A (en) * | 2021-09-07 | 2021-12-14 | 广东百林生态科技股份有限公司 | Preparation method and application of light three-dimensional greening water-retaining matrix |
| CN115362908A (en) * | 2022-07-18 | 2022-11-22 | 西南大学 | Green roof substrate for controlling rainfall flood and manufacturing method thereof |
| CN115362908B (en) * | 2022-07-18 | 2024-01-26 | 西南大学 | Green roof matrix for controlling rainfall floods and manufacturing method |
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